Yosemite National Park: Yosemite Falls is the tallest waterfall in North America, and is a powerful presence in Yosemite Valley. From winter ice to spring flood to autumn dryness, this magnificent waterfall is a dynamic force of nature.

Yosemite Falls

Discussion of natural features including fog, tsunamis, geysers, snow, and frazil ice are included in this collection

Natural Sciences

Science & Medicine

Social Sciences

Medicine

A young woman who recently moved to south Florida finds herself wanting to learn more about the Everglades National Park. She meets Amber Schmitt, a friendly ranger/interpreter, who teaches her about natural habitats.

Introduction

Yosemite National Park: Summer visitors to Yosemite National Park miss many of the unique events of winter and early spring. Frazil ice flows are dramatic natural events that occur in the waterfalls of Yosemite Valley during March and April.

Frazil Ice

Yellowstone National Park: The Yellowstone supervolcano is discussed in this video. The function it serves to geysers throughout the park as well as its potential destructive force are covered.

Yellowstone's Restless Giant - Main Feature

Yellowstone National Park: Efforts to eradicate three invasive species currently inhabiting Yellowstone are discussed. The species are lake trout, whirling disease parasite, and New Zealand mud snails.

Yosemite Falls

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